What is the lead time for orders?

The average lead time is one month, regardless of peak or off-season periods.

What payment terms are accepted?

We accept LC, T/T, PayPal, and Western Union for payments.

Can the speed be adjusted?

Yes, models with the outer controller (Type D) support PWM or 0-5V speed adjustment and instant starting.

6V 12V 24V Small Diaphragm Air Pump Vacuum Pump

Name: 6V 12V 24V Small Diaphragm Air Pump Vacuum Pump
Brand: Changsha TOPS Industry & Technology Co., Ltd.
SKU: 692002142

Hunan, ChinaChangsha TOPS Industry & Technology Co., Ltd.

Negotiable

200 Pieces

Product profile

Customization

Available

Power

Electric

Valve Body Type

Diaphragm

Model NO.

TM30A-C

Motor

DC Brushless Motor

Materials

Pump Head Nylon, Membrane EPDM / PTFE, Valve EPDM

Transport Package

Standard Export Packing or OEM Packing

Specification

CE, IEC, RoHS

Trademark

TOPSFLO

Origin

China

Production Capacity

100, 000 PCS/Month

Key features

Coreless Brushless Motor Option: Ideal life-time 15000 hours, vibration-free, silent, and durable.

Customizable Materials: Optional EPDM or PTFE membranes and EPDM/FPM valves for corrosive media.

Oil-Free Operation: Ensures uncontaminated flow, ideal for medical and analytical equipment.

Compact & Lightweight: High power density with small size, weighing only 150-250g.

Multi-Voltage Support: Available in 6V, 12V, and 24V rated voltages for versatile power sources.

Flexible Control Functions: Outer controller enables PWM or 0-5V speed adjustment and braking.

Maintenance-Free Design: Long product life with low sound level and low power consumption.

Wide Application Range: Suitable for industrial, medical, analytical, and air quality sampling uses.

Company profile

Changsha TOPS Industry & Technology Co., Ltd.

Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2001-09-08Nearest Port: shanghai, shenzhenAverage Response Time: ≤9.92hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryChangsha TOPS Industry & Technology Co., Ltd. is identified as a China-based manufacturer/factory and limited company specializing in micro pumps and related fluid-technology products. It reports ISO 9001 and TS 16949 management-system certifications, 50 quality-control staff, 10 production lines, annual capacity of about 3 million pieces, and four laboratories meeting CNAS national laboratory certification standards. The supplier has substantial export orientation, with 90% of sales reportedly from exports, self-operated import/export rights, and markets spanning multiple global regions. Evidence supports production scale, international fulfillment capability, and innovation infrastructure. However, the provided information does not establish after-sales service arrangements, financial credibility, customization capability, or a broad set of verified customer cases. Two trade records associate the company with CONTROL PRINT LIMITED for printer-part water pumps, but these records alone provide limited...

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and a limited company based in Changsha, Hunan, China. Its product keywords and commercial activities are centered on pumps, manufacturing, industrial equipment, electronics, automotive components, and related sectors, indicating a manufacturing-oriented supplier rather than only a trading intermediary.

CertificationsThe supplier reports TS 16949 and ISO 9001 management-system certifications. It also states that four laboratories meet the CNAS national laboratory certification standard, providing explicit evidence of formal quality-management and laboratory infrastructure.

R&D capabilityThe supplier explicitly presents technology innovation as a key advantage, reports 21–30 years of total R&D engineer experience, and states that it operates four precise laboratories meeting CNAS national laboratory certification standards. These details support a substantive technical and product-development capability.

Production capacityThe supplier reports 50 quality-control staff, 10 production lines, and annual production capacity of about 3 million pieces. It also describes a large factory with an ESD anti-static digital workshop, while the reported one-month off-peak and peak fulfillment times indicate stated order-processing capacity.

Client casesTwo trade records identify CONTROL PRINT LIMITED as a buyer associated with the supplier for water pumps used as printer parts, with records dated October and November 2025. These entries provide evidence of at least one associated buyer and relevant product transactions, but do not establish a broad or independently verified customer portfolio.

Product Q&A

Q:What motor options are available?

We offer four types: A) Premium Brush DC (3000h), B) Economical Brush DC (1500h), C) Coreless Brushless (15000h), and D) Coreless Brushless with controller (15000h).

Q:Can the pump handle corrosive media?

Yes, optional materials include PTFE membranes and FPM valves, which are resistant to acid, alkali, and ozone.

Q:What is the maximum pressure and vacuum?

The pump can achieve a max pressure of 120kpa and a max vacuum of -70kpa.

Q:Is the pump suitable for medical use?

Yes, the oil-free operation ensures uncontaminated flow, making it ideal for medical equipment and analytical instruments.

Q:What are the dimensions and weight?

Dimensions range from 75x30x54mm to 79x31x57mm, with weights between 150g and 250g depending on the model.